Check the expiration or sell-by date
Do the float test in a bowl of water
Crack the egg into a separate bowl
Look for a bad smell
Check for unusual color
Check for slimy or powdery shell residue
Check for a runny or watery egg white
Check for a pink, green, or iridescent appearance
Check for mold on the shell or inside the egg
Discard any egg that seems off in smell, appearance, or texture